Home / 13,442,562,005.10-20,163,843,007.65-7,243,834,181.10

Finding the Fourth Proportional to 13,442,562,005.10, 20,163,843,007.65 and 7,243,834,181.10

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Solution

The fourth proportional to 13,442,562,005.10, 20,163,843,007.65 and 7,243,834,181.10 is: 10,865,751,271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,442,562,005.10 : 20,163,843,007.65 = 7,243,834,181.10 : x
  2. Step 2: Convert to fraction form
    13,442,562,005.10/20,163,843,007.65 = 7,243,834,181.10/x
  3. Step 3: Cross multiply
    13,442,562,005.10x = 20,163,843,007.65 × 7,243,834,181.10
  4. Step 4: Simplify right side
    13,442,562,005.10x = 146,063,535,201,149,321,216
  5. Step 5: Solve for x
    x = 146,063,535,201,149,321,216/13,442,562,005.10
  6. Step 6: Final answer
    x = 10,865,751,271.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.